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Olt Valley, km 239+500 - 246+500

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

A combination of two protection systems: active TECCO® SYSTEM³ is installed under the GBE-1000A rockfall barrier line providing passive protection

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

Superficial cleaning of the slope and drilling points stake-out

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

Drilling points stake-out in progress - visible national road DN7

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

Nails drilling directly through the high tensile mesh TECCO® 65/3

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

TECCO® SYSTEM³ installation - the high tensile mesh perfectly follows the slope morphology

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

Final positioning of the TECCO® SYSTEM³ splike plates type P33/40 and pre-tensioning of the mesh

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

Slope fully secured with TECCO® SYSTEM³

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

Another view of the fully stabilized slope

边坡稳定 - Olt Valley, km 239+500 - 246+500 2015

TECCO® SYSTEM³ almost invisible after installation - its open structure allows perfect drainage

 

安装年份

2015

情况

National road no. 7 (DN7) is one of the most important routes through the Carpathian Mountains, with heavy traffic. The Olt River runs parallel to the DN7 with high mountains, directly next to the road. In winter and spring rockfalls occur regularly. Also with unstable slopes, torrents and avalanches the risk of accidents was high. 

This project was originally developed with five concrete canopies for rockfall protection. Due to costs and other restrictions, a modern solution using high tensile steel wire was chosen. After further investigation, 23 dangerous areas were found and had to be protected using two types of protection systems: active and passive.

地質學

Along the whole section, mica and para gneiss appear in outcrops belonging to the series of the tail (the upper Proterozoic ante) and the local packet sandstone, covered at the top by diluvium deposit (dust, sand and gravel powder blocks).


Slopes (for the most part covered with forest) show inclinations of up to 60 - 80° and are strongly tectonized (kneading such, micro cracks) and continuous processes of disintegration. The angle of the rock packages varies between 30 - 55° (lower to higher sandstone and mica).

描述

4200 m² of TECCO® System and 560 m² of SPIDER® System were installed together with nailing as an active protection measure on the following sectors:

1. km 240+421 - 240+441

TECCO® G65/3

  • stabilized area: 260 m²
  • slope height: 15 m
  • nail pattern: 2.20 x 2.20 m
  • nail type: GEWI 28
  • nail length: 3 m

2. km 240+441 - 240+467

SPIDER® S3-130

  • stabilized area: 540 m²
  • slope height: 18 m
  • nail distance: 2.50 m
  • nail type: GEWI 32
  • nail length: 3 m

3. km 240+510 - 240+555

TECCO® G65/3

  • stabilized area: 585 m²
  • slope height: 13 m
  • nail pattern: 2.50 x 2.50 m
  • nail type: GEWI 32
  • nail length: 3 m

4. km 242+457 - 240+610

TECCO® G65/3

  • stabilized area: 1377 m²
  • slope height: 10 m
  • nail pattern: 2.10 x 2.10 m
  • nail type: GEWI 32
  • nail length: 3 m

5. km 242+859 - 242+940

TECCO® G65/3

  • stabilized area: 640 m²
  • slope height: 13 m
  • nail pattern: 2.20 x 2.20 m
  • nail type: GEWI 32
  • nail length: 3 m

6. km 243+099 - 243+179

TECCO® G65/3

  • stabilized area: 1260 m²
  • slope height: 14 m
  • nail pattern: 2.20 x 2.20 m
  • nail type: GEWI 32
  • nail length: 3 m

See also the other projects of Olt Valley.

客户

Compania Naţională de Administrare a Infrastructurii Rutiere (C.N.A.I.R.) – Directia Regionala de Drumuri si Poduri Craiova (D.R.D.P.)

承包商

S.C. VECTRA SERVICE S.R.L.

防护对象

Road

腐蚀保护

GEOBRUGG SUPERCOATING

工程

S.C. IRIMAT Cons S.R.L. - Bucharest

分包商

Sächsische Bau GmbH Dresden Germany, Sibiu Branch

其他安装的应用程序

落石防护, 泥石流和滑坡防护

本地联系方式

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

自然災害防護
Hydraulic Engineering
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / 美国 Regional Manager Northeast

联系地址

Saleh Feidi
 

Saleh Feidi

Regional Manager California

自然災害防護
Hydraulic Engineering
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / 美国 Regional Manager California

联系地址

John Kalejta
 

John Kalejta

Regional Manager Central US

自然災害防護
Hydraulic Engineering
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / 美国 Regional Manager Central US

联系地址

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

自然災害防護
Hydraulic Engineering
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / 美国 Regional Manager Southeast

联系地址

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

自然災害防護
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

联系地址

Tim Shevlin
 

Tim Shevlin

Sales Director

自然災害防護
Geobrugg North America, LLC,Salem OR 97302 / 美国 Sales Director

联系地址